Patents by Inventor Chang Sub Jung

Chang Sub Jung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11669212
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Grant
    Filed: May 30, 2021
    Date of Patent: June 6, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi
  • Patent number: 11309272
    Abstract: A method of manufacturing a display device, includes: providing an adhesive tape including: an adhesive conductive layer on a base film, a cutting width corresponding to a width of an adhesive tape attaching area of a substrate and provided in plurality including cutting widths adjacent to each other along the base film, and an interval between the cutting widths adjacent to each other; within the interval, providing a plurality of half-cuts in the adhesive tape, to provide a multi-cut adhesive tape; and pressing the multi-cut adhesive tape to the substrate, at a first portion of the multi-cut adhesive tape which corresponds to the cutting width, to separate the first portion of the multi-cut adhesive tape from the base film and attach the first portion of the multi-cut adhesive tape to the substrate at the adhesive tape attaching area thereof.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Sic Min, Min Jung Na, Sang Won Yeo, Jong In Lee, Chang Sub Jung
  • Publication number: 20210286467
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Application
    Filed: May 30, 2021
    Publication date: September 16, 2021
    Inventors: A-Ra JO, Sang-Hyun LIM, Chang-Sub JUNG, Jae-Woo CHOI
  • Patent number: 11023083
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi
  • Publication number: 20210125954
    Abstract: A method of manufacturing a display device, includes: providing an adhesive tape including: an adhesive conductive layer on a base film, a cutting width corresponding to a width of an adhesive tape attaching area of a substrate and provided in plurality including cutting widths adjacent to each other along the base film, and an interval between the cutting widths adjacent to each other; within the interval, providing a plurality of half-cuts in the adhesive tape, to provide a multi-cut adhesive tape; and pressing the multi-cut adhesive tape to the substrate, at a first portion of the multi-cut adhesive tape which corresponds to the cutting width, to separate the first portion of the multi-cut adhesive tape from the base film and attach the first portion of the multi-cut adhesive tape to the substrate at the adhesive tape attaching area thereof.
    Type: Application
    Filed: June 10, 2020
    Publication date: April 29, 2021
    Inventors: Jin Sic MIN, Min Jung NA, Sang Won YEO, Jong In LEE, Chang Sub JUNG
  • Patent number: 10747373
    Abstract: A touch panel includes a touch electrode configured to receive a sensing input signal, a display panel, the touch electrode being disposed thereon, and a protective layer disposed between the touch electrode and the display panel, the protective layer configured to receive a protective layer driving signal.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Woo Choi, Chang Sub Jung, Eun Gil Choi, Sang Hyun Lim, A Ra Jo
  • Publication number: 20200089363
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi
  • Patent number: 10514800
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: December 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi
  • Patent number: 10481713
    Abstract: A display device may include a display panel, a window member provided above the display panel, a housing accommodating the display panel and the window member and including at least one protrusion on an inner surface thereof, and a pressure sensor including a first conductive layer provided on the at least one protrusion and a second conductive layer provided at a peripheral area of the first conductive layer to be spaced apart from the first conductive layer.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: A Ra Jo, Sang Hyun Lim, Chang Sub Jung, Jae Woo Choi
  • Patent number: 10466821
    Abstract: A display device includes a display panel configured to display an image on a front surface thereof, and a flexible circuit board connected to the display panel and configured to drive the display panel. The display device further includes a pressure sensor including a first electrode and a second electrode. The pressure sensor is configured to sense a change of capacitance of a capacitor, which is formed between the first electrode and the second electrode, in accordance with a pressure applied thereto. The flexible circuit board includes a first surface and a second surface facing the first surface. The first electrode and the second electrode are disposed on the first surface or the second surface.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hyun Lim, Chang Sub Jung, A Ra Jo, Jae Woo Choi
  • Patent number: 10379641
    Abstract: A touch screen apparatus includes: an active area and a non-active area outside the active area; first sensing electrodes arranged along a first direction in the active area; second sensing electrodes arranged along a second direction intersecting the first direction in the active area, the second sensing electrodes being insulated from the first sensing electrodes; and at least one additional sensing electrode separated from the first and second sensing electrodes, the at least one additional sensing electrode being located in the non-active area.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hyun Lim, Chang Sub Jung, A Ra Jo, Jae Woo Choi
  • Patent number: 10282010
    Abstract: A display device includes: a display panel including an upper electrode and an encapsulation layer provided on the upper electrode; a touch panel including a first touch electrode and a second touch electrode each facing the upper electrode and positioned between the display panel and a cover window covering the display panel, the first touch electrode being separated from the second touch electrode; an elastic layer provided on the display panel and deforming in response to an applied pressure from a touch; and a touch sensor programmed to detect an applied pressure from a change in gaps between the first and second touch electrodes and the upper electrode due to the applied pressure, and to detect a capacitance between the first touch electrode and the second touch electrode caused by the touch, so as to sense a position of the touch.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Woo Choi, Sang Hyun Lim, Chang Sub Jung, A Ra Jo, Eun Gil Choi
  • Patent number: 10234999
    Abstract: An apparatus for sensing a touch pressure includes: a substrate; a touch sensor provided on one surface of the substrate; a first pressure sensing electrode provided on the other surface opposite to the one surface of the substrate; a protective layer provided on the first pressure sensing electrode, the protective layer including a first opening area through which a portion of the first pressure sensing electrode is exposed; a flexible circuit board electrically connecting the touch sensor and the first pressure sensing electrode to each other; and a conductive member disposed in the first opening area, the conductive member electrically connecting the first pressure sensing electrode and the flexible circuit board to each other.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: March 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Yeon Baek, Ji Yun Bang, Seung Min Lee, Jang Hwang Jeon, Chang Sub Jung
  • Patent number: 10139928
    Abstract: An electronic pen sensing device includes: a substrate including a sensing region and a first sub sensing region, the first sub sensing region having a width smaller than a width of the sensing region; a first closed loop line disposed along edges of the sensing region and wound N times in a first rotation direction from a first node to a second node, and disposed along edges of the first sub sensing region and wound M times in a first rotation direction from the second node to the first node; and a controller configured to calculate a location of an electronic pen based on a first induction current which is output through the first node, wherein N and M are positive integers.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: November 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Lim, Chang-Sub Jung, A-Ra Jo, Jae-Woo Choi
  • Patent number: 9952733
    Abstract: A touch screen panel includes a transparent substrate, a first sensing line and a second sensing line. The first sensing line includes first sensing cells arranged along a first direction and first connection patterns coupling the first sensing cells. The second sensing line includes second sensing cells arranged in a second direction substantially perpendicular to the first direction, and second connection patterns coupling the second sensing cells. At least one of the first and the second sensing cells includes openings and conductive patterns located in the openings.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: April 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwan-Young Han, Chang-Sub Jung, Hwan-Hee Jeong, Sung-Chul Kim, Jae-Woo Choi, Tae-Ik Kim, Hyun-Sik Park
  • Publication number: 20180067608
    Abstract: A stylus pen includes: a conductor; a housing surrounding at least one portion of the conductor, the housing having an insulating property; a pen tip disposed at one end of the housing, the pen tip having conductivity; and a contact member in contact with at least one of the conductor and the pen tip, wherein the conductor and the pen tip are electrically shorted or opened by the contact member.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 8, 2018
    Inventors: Sang Hyun LIM, Chang Sub JUNG, A Ra JO, Jae Woo CHOI
  • Publication number: 20180039357
    Abstract: An apparatus for sensing a touch pressure includes: a substrate; a touch sensor provided on one surface of the substrate; a first pressure sensing electrode provided on the other surface opposite to the one surface of the substrate; a protective layer provided on the first pressure sensing electrode, the protective layer including a first opening area through which a portion of the first pressure sensing electrode is exposed; a flexible circuit board electrically connecting the touch sensor and the first pressure sensing electrode to each other; and a conductive member disposed in the first opening area, the conductive member electrically connecting the first pressure sensing electrode and the flexible circuit board to each other.
    Type: Application
    Filed: August 2, 2017
    Publication date: February 8, 2018
    Inventors: Ji Yeon BAEK, Ji Yun BANG, Seung Min LEE, Jang Hwang JEON, Chang Sub JUNG
  • Patent number: 9874988
    Abstract: An electromagnetic induction panel includes a substrate including a first region, a second region, and a third region, a first induction coil arranged along an edge of the first region of the substrate and wound in a first winding direction, a second induction coil arranged along an edge of the second region and wound in a second winding direction opposite to the first winding direction, the second region surrounding the first region, and a third induction coil arranged along an edge of the third region and wound in the second winding direction, the third region surrounding the second region.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: January 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Lim, Chang-Sub Jung, A-Ra Jo, Eun-Gil Choi, Jae-Woo Choi
  • Publication number: 20180018029
    Abstract: A touch screen apparatus includes: an active area and a non-active area outside the active area; first sensing electrodes arranged along a first direction in the active area; second sensing electrodes arranged along a second direction intersecting the first direction in the active area, the second sensing electrodes being insulated from the first sensing electrodes; and at least one additional sensing electrode separated from the first and second sensing electrodes, the at least one additional sensing electrode being located in the non-active area.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 18, 2018
    Inventors: Sang Hyun LIM, Chang Sub JUNG, A Ra JO, Jae Woo CHOI
  • Publication number: 20170357354
    Abstract: A display device includes a display panel configured to display an image on a front surface thereof, and a flexible circuit board connected to the display panel and configured to drive the display panel. The display device further includes a pressure sensor including a first electrode and a second electrode. The pressure sensor is configured to sense a change of capacitance of a capacitor, which is formed between the first electrode and the second electrode, in accordance with a pressure applied thereto. The flexible circuit board includes a first surface and a second surface facing the first surface. The first electrode and the second electrode are disposed on the first surface or the second surface.
    Type: Application
    Filed: May 24, 2017
    Publication date: December 14, 2017
    Inventors: SANG HYUN LIM, Chang Sub Jung, A Ra Jo, Jae Woo Choi